Abstract
An optical filter based on side coupling between silicon wire waveguide and two-dimensional photonic crystal surface-mode cavity is presented. The design is optimized numerically by parallel three-dimensional finite-different time-domain simulations. The device is then fabricated on amorphous silicon-on-silica structure. The drop wavelength is observed around 1580 nm. The extinction ratio of the filter is larger than 10 dB and the intrinsic quality factor of the surface-mode cavity is approximately 2000.
| Original language | English |
|---|---|
| Article number | 041108 |
| Journal | Applied Physics Letters |
| Volume | 90 |
| Issue number | 4 |
| Number of pages | 4 |
| ISSN | 0003-6951 |
| DOIs | |
| Publication status | Published - 2007 |
| Externally published | Yes |
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